thermoperiodism

noun
ther·​mo·​pe·​ri·​od·​ism | \ ˌthər-mō-ˈpir-ē-ə-ˌdi-zəm How to pronounce thermoperiodism (audio) \

Definition of thermoperiodism

: the sum of the responses especially of a plant to appropriately fluctuating temperatures

First Known Use of thermoperiodism

circa 1937, in the meaning defined above

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The first known use of thermoperiodism was circa 1937

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Cite this Entry

“Thermoperiodism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thermoperiodism. Accessed 9 Aug. 2020.

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